Telegraph key



FIG. 1 is a top plan view of a telegraph key showing my new design, the broken lines are shown for illustrative purposes only;

FIG. 2 s a right side elevational view thereof, the opposite side being a mirror image of the side shown;

FIG. 3 is a top, front, and side elevational view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a rear elevational view thereof.

The underside of the telegraph key is conventional and unornamented. 

The ornamental design for a telegraph key, substantially as shown and described. 